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Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe P
(1) Cu + Sum of Named Elements 99.5% min.
Min (%) 1.0 0.03
Max (%) Rem 0.05 1.7 0.30 0.10 0.35
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell B scale Rockwell F scale Rockwell 30T scale Torsion Modulus
(ksi)
Fatigue Strength**
(ksi)
Section Size
(in)
Cold Work
(%)
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
Flat Products 1/2 Hard H02 55 Typ
16 Typ
64 Typ
60 Typ
0.04
Hard H04 65 Typ
50 Typ
8 Typ
75 Typ
67 Typ
6.4 Typ 0.04
Nominal Grain Size 0.025 mm OS025 40 Typ
14 Typ
48 Typ
68 Typ
0.04
Spring H08 75 Typ
4 Typ
79 Typ
70 Typ
0.04
Wire Hard H04 79 Typ
1 Typ
32 Typ 0.08 80
Hard H04 72 Typ
4 Typ
0.46 70
Physical Properties
Melting Point - Liquidus°F 1970
Melting Point - Solidus°F 1900
Densitylb/cu in. at 68°F 0.321
Specific Gravity 8.89
Electrical Conductivity% IACS at 68°F 48
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 120
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.9
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 17000
Modulus of Rigidityksi 6400
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Fair
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Excellent
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Good
Machinability Rating 20
Common Fabrication Processes
  • Blanking
  • Forming and Bending
  • Heading and Upsetting
  • Shearing
  • Squeezing and Swaging
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 900 1200
Hot Working Temperature 1450 1600
Typical uses
Product Category Product Reason Category Reason
Electrical Contacts Conductivity (Electrical) Electrical Conductivity
Contacts Conductivity (Thermal) High Thermal Conductivity
Contacts Corrosion Resistance Corrosion Resistance
Contacts Mechanical Properties Moderate Strength
Electrical Connectors Conductivity (Electrical) Electrical Conductivity
Electrical Connectors Forming Characteristics Formability
Electrical Connectors Mechanical Properties Moderate Strength
Electrical Connectors Thermal Properties Resistance to Stress Relaxation - up to 75 C.
Fuse Clips Conductivity (Electrical) Electrical Conductivity
Fuse Clips Conductivity (Thermal) High Thermal Conductivity
Fuse Clips Corrosion Resistance Corrosion Resistance
Fuse Clips Mechanical Properties Moderate Strength
Pole Line Hardware Conductivity (Electrical) Electrical Conductivity
Pole Line Hardware Conductivity (Thermal) High Thermal Conductivity
Pole Line Hardware Corrosion Resistance Corrosion Resistance
Pole Line Hardware Mechanical Properties Moderate Strength
Switch Parts Conductivity (Electrical) Electrical Conductivity
Switch Parts Conductivity (Thermal) High Thermal Conductivity
Switch Parts Corrosion Resistance Corrosion Resistance
Switch Parts Mechanical Properties Moderate Strength
Fasteners Fasteners Corrosion Resistance Corrosion Resistance
Fasteners Corrosion Resistance Corrosion Resistance to Salt Water
Fasteners Machining Characteristics Machinability
Fasteners Mechanical Properties Moderate Strength
Washers Conductivity (Thermal) High Thermal Conductivity
Washers Corrosion Resistance Corrosion Resistance
Washers Corrosion Resistance Corrosion Resistance to Salt Water
Washers Forming Characteristics Formability
Washers Machining Properties Machinability, Good
Washers Mechanical Properties Moderate Strength
Industrial Diaphragms Corrosion Resistance Corrosion Resistance
Diaphragms Forming Characteristics Formability
Diaphragms Mechanical Properties Moderate Strength
Flexible Hose Corrosion Resistance Corrosion Resistance
Flexible Hose Forming Characteristics Formability
Flexible Hose Mechanical Properties Moderate Strength
Seamless Metal Hose Corrosion Resistance Corrosion Resistance
Seamless Metal Hose Corrosion Resistance Corrosion Resistance to Salt Water
Seamless Metal Hose Forming Characteristics Formability
Seamless Metal Hose Mechanical Properties Moderate Strength
Strip Wound Hoses Corrosion Resistance Corrosion Resistance
Strip Wound Hoses Corrosion Resistance Corrosion Resistance to Salt Water
Strip Wound Hoses Forming Characteristics Formability
Strip Wound Hoses Mechanical Properties Moderate Strength
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Strip Flexible Hose ASTM B508 COPPER ALLOY STRIP FOR FLEXIBLE METAL HOSE
Wire Trolly ASTM B9 BRONZE TROLLEY WIRE
ASTM B105 HARD-DRAWN COPPER ALLOY WIRES FOR ELECTRICAL CONDUCTORS
Corrosion Properties

No Corrosion Properties Available.